Cub / Underbone
RM49-31B Cub Motorcycle
RM49-31B Cub Motorcycle. Single cylinder, 4-stroke, air-cooled horizontal engine, 49.4 ml displacement, max. power 2.8 kW at 8000 r/min, max. speed 90 km/h. Drum brakes front and rear, electric/kick start.
Technical Parameters
Optional: 70cc/90cc/110cc Engine Round/square lamps Windshield, bumper
Engine Type: Single Cylinder4,Stroke,air-cooled,horizontal
Displacement (ml): 49.4
Bore × Stroke (mm): 39×41.4
Compression Ratio: 8.8:1
Max. Power (kw/r/min): 2.8/8000
Max. Torque (N.m/r/min): 3.2/6500
Max. Speed (km/h): 90
Lubrication Method: Force-feed & Splash
Clutch Mode: Multi Plate Oil Bath Type
Ignition Method: CDI
Starting Mode: Electric/Kick start
Transmission Mode: Chain Drive
Front Brake: Drum brake
Rear Brake: Drum brake
Front Tyre: 2.50-18
Rear Tyre: 3.0-17
Battery: 12V2.5Ah
L × W × H (mm): 1960×800×1020
Seat Height (mm): 780
Wheelbase (mm): 1220
Min. Ground Clearance (mm): 200
Max. Permissible Weight (kg): 150
Dry Weight (kg): 79
Engine Oil (L): 1
Fuel Tank Capacity (L): 11.5
